Software Development Engineer; Test

Join to apply for the Software Development Engineer (Test) role at Zachary Piper Solutions

Zachary Piper Solutions is seeking a Software Development Engineer & Test (SDET) to support an innovative space technology company building resilient, mission‑critical software systems. This role sits at the intersection of software engineering, Dev Ops, and advanced test automation
, with a strong emphasis on real‑world system behavior, scale, and resilience
.

You will design and build automated end‑to‑end tests that mirror actual customer workflows
, deliberately stress distributed systems, and validate recovery when things go wrong. If you enjoy breaking systems on purpose — and fixing them — this role is for you.

This position is Hybrid out of Washington D.C. and requires an active Secret or TS/SCI Security Clearance
.

• Design, build, and maintain end‑to‑end automated test suites using frameworks such as Playwright or Cypress
• Simulate real customer use cases across satellite tracking, antenna reservation, and command‑and‑control services
• Execute large‑scale test scenarios simulating hundreds to thousands of concurrent system operations
• Act as a chaos engineer, injecting failures to validate system resilience and recovery procedures
• Test and troubleshoot API‑driven, distributed systems, including event‑driven and multi‑tier architectures
• Validate behavior across No
  
  SQL and relational databases, caching layers, and serverless components
• Identify, debug, and fix issues in deployed production software
• Build and maintain CI/CD pipelines, with a preference for Git Hub Actions
• Support validation and verification efforts for complex, mission‑critical software systems
• Collaborate closely with software engineers, Dev Ops, and product teams to uphold high quality standards

• Bachelor’s degree in Computer Science or a related technical field
• 3+ years of professional experience in software testing, backend development, Dev Ops, or related roles
  • Exceptional self‑starters with strong technical skills and real project experience will also be considered
• Strong proficiency in Python
• Working knowledge of Type Script and/or Java Script
• Experience with end‑to‑end testing frameworks (Playwright, Cypress, or similar)
• Strong understanding of containerized and serverless architectures
• Hands‑on experience testing and troubleshooting:
  • APIs and backend services
  • Distributed systems
  • Event‑driven architectures
  • No
    
    SQL and relational databases
  • Caching systems
• Experience with task automation and CI/CD pipeline development
• Proficiency with Git and Git Hub (or similar version control systems)
• Active U.S. Security Clearance (Secret required; TS/SCI preferred)

• $120,000 - $140,000+
  * Dependent on experience*
• Comprehensive Benefits with extremely generous PTO and Bonuses!
• Hybrid flexibility